Sumter South Carolina Climate Data

Monthly Average Climate Data for Sumter South Carolina

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January34.3 °F56.8 °F3.72 in.
February36.4 °F60.3 °F3.52 in.
March42.4 °F67.8 °F3.65 in.
April50.8 °F76.4 °F3.26 in.
May59.7 °F83.0 °F3.64 in.
June67.9 °F88.7 °F5.3 in.
July71.3 °F91.6 °F5.37 in.
August70.0 °F89.9 °F5.02 in.
September64.4 °F85.0 °F4.24 in.
October52.9 °F76.3 °F3.78 in.
November41.7 °F66.7 °F2.78 in.
December36.6 °F59.3 °F3.61 in.
Annual52.4 °F75.2 °F47.89 in.

Climate Data for Sumter South Carolina

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 8b : 15°F to 20°F
Plant Hardiness Zone - 2012Zone 8a : 10°F to 15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate